function DisplayObject(theGame){
	var game = theGame;
	this.contentTarget = null;
	this.setContentTarget = function(contentTarget){
		this.contentTarget = contentTarget;
	};
	this.getContentTarget = function(){
		if(this.contentTarget != null){
			return this.contentTarget;
		}else{
			return document.body;
		}
	};
	this.showContent = function(content){
		this.getContentTarget().innerHTML = content;
	};
}
